NAICS Code 334513: Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
National industry
SBA small business size standard: 750 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing instruments and related devices for measuring, displaying, indicating, recording, transmitting, and controlling industrial process variables. These instruments measure, display, or control (monitor, analyze, and so forth) industrial process variables, such as temperature, humidity, pressure, vacuum, combustion, flow, level, viscosity, density, acidity, concentration, and rotation.
Code facts
- Part of
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31-33
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334
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3345
- 33451
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3345
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334
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31-33
- Contract awards
- 1,699 In the last 12 months
- Contract obligations
- $221,269,039 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 334513
- Absorption analyzers, industrial process type (e.g., infrared), manufacturing
- Acidity (i.e., pH) instruments, industrial process type, manufacturing
- Analyzers, industrial process control type, manufacturing
- Annunciators, relay and solid-state types, industrial display, manufacturing
- Boiler controls, industrial, power, and marine-type, manufacturing
- Buoyancy instruments, industrial process-type, manufacturing
- Chromatographs, industrial process-type, manufacturing
- Combustion control instruments (except commercial, household furnace-type) manufacturing
- Controllers for process variables (e.g., electric, electronic, mechanical, pneumatic operation) manufacturing
- Coulometric analyzers, industrial process-type, manufacturing
- Data loggers, industrial process-type, manufacturing
- Density and specific gravity instruments, industrial process-type, manufacturing
- Differential pressure instruments, industrial process-type, manufacturing
- Digital displays of process variables manufacturing
- Display instruments, industrial process control-type, manufacturing
- Draft gauges, industrial process-type, manufacturing
- Electric and electronic controllers, industrial process-type, manufacturing
- Electrodes used in industrial process measurement manufacturing
- Electrolytic conductivity instruments, industrial process-type, manufacturing
- Electromagnetic flowmeters manufacturing
- Flow instruments, industrial process-type, manufacturing
- Fluidic devices, circuits, and systems for process control, manufacturing
- Gas analyzers, industrial process-type, manufacturing
- Gas and liquid analysis instruments, industrial process-type, manufacturing
- Gas chromatographic instruments, industrial process-type, manufacturing
- Gas flow instrumentation, industrial process-type, manufacturing
- Gauges (i.e., analog, digital), industrial process-type, manufacturing
- Humidity instruments, industrial process-type, manufacturing
- Hydrometers, industrial process-type, manufacturing
- Hygrometers, industrial process-type, manufacturing
- Indicators, industrial process control-type, manufacturing
- Industrial process control instruments manufacturing
- Infrared instruments, industrial process-type, manufacturing
- Instruments for industrial process control manufacturing
- Level and bulk measuring instruments, industrial process-type, manufacturing
- Liquid analysis instruments, industrial process-type, manufacturing
- Liquid concentration instruments, industrial process-type, manufacturing
- Liquid level instruments, industrial process-type, manufacturing
- Magnetic flow meters, industrial process-type, manufacturing
- Manometers, industrial process-type, manufacturing
- Measuring instruments, industrial process control-type, manufacturing
- Mechanical measuring instruments, industrial process-type, manufacturing
- Meters, industrial process control-type, manufacturing
- Moisture meters, industrial process-type, manufacturing
- Panelboard indicators, recorders, and controllers, receiver industrial process-type, manufacturing
- Pneumatic controllers, industrial process type, manufacturing
- Potentiometric instruments (except X-Y recorders), industrial process-type, manufacturing
- Pressure gauges (e.g., dial, digital), industrial process-type, manufacturing
- Pressure instruments, industrial process-type, manufacturing
- Primary elements for process flow measurement (i.e., orifice plates) manufacturing
- Primary process temperature sensors manufacturing
- Process control instruments, industrial, manufacturing
- Programmers, process-type, manufacturing
- Pyrometers, industrial process-type, manufacturing
- Recorders, industrial process control-type, manufacturing
- Refractometers, industrial process-type, manufacturing
- Resistance thermometers and bulbs, industrial process-type, manufacturing
- Telemetering instruments, industrial process-type, manufacturing
- Temperature instruments, industrial process-type (except glass and bimetal thermometers), manufacturing
- Thermal conductivity instruments, industrial process-type, manufacturing
- Thermistors, industrial process-type, manufacturing
- Thermocouples, industrial process-type, manufacturing
- Thermometers, filled system industrial process-type, manufacturing
- Time cycle and program controllers, industrial process-type, manufacturing
- Transmitters, industrial process control-type, manufacturing
- Turbidity instruments, industrial process-type, manufacturing
- Turbine flow meters, industrial process-type, manufacturing
- Variable control instruments, industrial process-type, manufacturing
- Viscosimeters, industrial process-type, manufacturing
- Water quality monitoring and control systems manufacturing
Show all 70
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Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $210,952 |
| FY2026 | $157,045,823 |
| FY2025 | $221,269,039 |
| FY2024 | $242,923,461 |
| FY2023 | $174,706,523 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | D-2 Incorporated | $31,721,662 | |
| 2 | L3Harris Technologies, Inc. | $10,934,653 | |
| 3 | Hexagon Manufacturing Intelligence, LLC | $6,492,891 | |
| 4 | Howell Instruments, Inc. | $5,703,946 | |
| 5 | BEI Precision Systems & Space Company, Inc. | $5,613,960 | |
| 6 | King Nutronics Corporation | $4,251,610 | |
| 7 | YSI Inc. | $3,623,164 | |
| 8 | Nanometrics Inc. | $3,406,104 | |
| 9 | OTT Hydromet Corp | $2,693,392 | |
| 10 | ABB Inc. | $2,618,936 |
See the full FY2025 ranking of NAICS 334513 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $42,574,271 | |
| 2 | Department of the Navy | $38,606,397 | |
| 3 | Air Force | $26,613,860 | |
| 4 | Department of the Interior | $17,195,726 | |
| 5 | Department of the Army | $15,789,616 | |
| 6 | Department of Veterans Affairs | $3,546,540 | |
| 7 | National Aeronautics and Space Administration | $3,387,060 | |
| 8 | Department of Health and Human Services | $2,981,810 | |
| 9 | Department of Commerce | $2,326,497 | |
| 10 | Department of Agriculture | $780,900 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 6630 Chemical Analysis Instruments | $32,012,954 | |
| 2 | 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments | $28,201,897 | |
| 3 | 6695 Combination and Miscellaneous Instruments | $17,811,286 | |
| 4 | 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments | $14,794,692 | |
| 5 | R425 Engineering and Technical Services | $11,740,382 | |
| 6 | 4920 Aircraft Maintenance and Repair Shop Specialized Equipment | $8,197,181 | |
| 7 | 6625 Electrical and Electronic Properties Measuring and Testing Instruments | $4,915,619 | |
| 8 | 6650 Optical Instruments, Test Equipment, Components and Accessories | $4,700,980 | |
| 9 | 6655 Geophysical Instruments | $4,061,249 | |
| 10 | 6640 Laboratory Equipment and Supplies | $3,822,884 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Massachusetts | $33,335,295 | |
| 2 | New Jersey | $14,923,288 | |
| 3 | California | $13,556,619 | |
| 4 | Ohio | $9,261,937 | |
| 5 | Texas | $8,322,840 | |
| 6 | Virginia | $8,131,350 | |
| 7 | Arkansas | $5,613,960 | |
| 8 | New York | $4,999,368 | |
| 9 | Oklahoma | $4,645,105 | |
| 10 | Pennsylvania | $3,667,026 | |
| 11 | Florida | $3,468,054 | |
| 12 | Rhode Island | $3,242,744 | |
| 13 | Tennessee | $2,881,461 | |
| 14 | Washington | $2,874,860 | |
| 15 | Maryland | $2,799,689 | |
| 16 | Connecticut | $2,626,322 | |
| 17 | Colorado | $2,472,061 | |
| 18 | Georgia | $2,214,003 | |
| 19 | Arizona | $1,886,798 | |
| 20 | Mississippi | $1,083,044 | |
| 21 | Utah | $1,009,280 | |
| 22 | Illinois | $957,675 | |
| 23 | Iowa | $892,756 | |
| 24 | Indiana | $837,540 | |
| 25 | North Carolina | $777,392 | |
| 26 | Idaho | $739,991 | |
| 27 | Louisiana | $735,264 | |
| 28 | Michigan | $606,937 | |
| 29 | Wisconsin | $499,959 | |
| 30 | Kansas | $471,866 | |
| 31 | Montana | $437,070 | |
| 32 | Alabama | $433,445 | |
| 33 | District of Columbia | $396,961 | |
| 34 | Minnesota | $359,598 | |
| 35 | New Hampshire | $330,222 | |
| 36 | Vermont | $309,447 | |
| 37 | Missouri | $276,966 | |
| 38 | Oregon | $261,185 | |
| 39 | Kentucky | $173,896 | |
| 40 | Wyoming | $122,514 | |
| 41 | South Carolina | $112,871 | |
| 42 | Delaware | $100,411 | |
| 43 | Nebraska | $96,704 | |
| 44 | New Mexico | $91,710 | |
| 45 | Alaska | $91,114 | |
| 46 | Maine | $84,906 | |
| 47 | South Dakota | $81,666 | |
| 48 | West Virginia | $74,974 | |
| 49 | Nevada | $55,574 | |
| 50 | Hawaii | $37,320 |
Show all 50
Shares are of everything obligated under NAICS 334513 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 21,026 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 334513?
NAICS 334513 is Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for electromagnetic flowmeters manufacturing?
The NAICS code for electromagnetic flowmeters manufacturing is 334513, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.
What is the NAICS code for primary process temperature sensors manufacturing?
The NAICS code for primary process temperature sensors manufacturing is 334513, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.
What is the NAICS code for digital displays of process variables manufacturing?
The NAICS code for digital displays of process variables manufacturing is 334513, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.
When did the size standard for NAICS 334513 last change?
The most recent Federal Register rule on record that names NAICS 334513 in the SBA's size standards is "Small Business Size Standards for Manufacturing" (81 FR 4469), published Jan 26, 2016 and effective Feb 26, 2016.
How much do federal agencies spend under NAICS 334513?
Federal contracts under NAICS 334513 obligated $221,269,039 in fiscal year 2025 and $796,155,799 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 334513?
The contractors with the most obligated under NAICS 334513 in fiscal years 2026 and 2027 are D-2 Incorporated ($31,721,662); L3Harris Technologies, Inc. ($10,934,653); and Hexagon Manufacturing Intelligence, LLC ($6,492,891).
Which agencies buy the most under NAICS 334513?
The agencies that obligated the most under NAICS 334513 in fiscal years 2026 and 2027 are Defense Logistics Agency ($42,574,271), Department of the Navy ($38,606,397) and Air Force ($26,613,860).
Which PSC codes are used with NAICS 334513?
The PSC codes with the most obligated under NAICS 334513 in fiscal years 2026 and 2027 are 6630 Chemical Analysis Instruments; 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments; and 6695 Combination and Miscellaneous Instruments.
Where is the work under NAICS 334513 performed?
By place of performance, the states with the most contract obligations under NAICS 334513 over the last 12 months are Massachusetts ($33,335,295), New Jersey ($14,923,288) and California ($13,556,619).
What is the latest contract opportunity under NAICS 334513?
The latest contract opportunity under NAICS 334513 is Indicator, digital disp, solicitation from Land and Maritime (DLA), posted November 6, 2026.
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